World Population PyramidsPopulation pyramids and indicators by country and year日本語

Japan vs Viet Nam: population pyramids in 2066

2066Swap

JapanViet Nam

1%0.75%0.5%0.25%0%0.25%0.5%0.75%1%0102030405060708090100MaleFemale

Each bar is the share of the total population at that single year of age (men left, women right), so countries of different sizes can be compared.

Japan and Viet Nam compared

In 2066, Japan has a population of 93.4 million and Viet Nam 106.7 million; Viet Nam is about 1.1 times the size of Japan.

The share aged 65 and over is 36.6% in Japan and 24.9% in Viet Nam, 11.7 points higher in Japan. The median age is 54.3 years in Japan and 45.9 years in Viet Nam.

The total fertility rate is 1.40 in Japan and 1.72 in Viet Nam, both below the replacement level of about 2.1. Life expectancy at birth is 90.4 years in Japan and 81.4 years in Viet Nam.

GDP per person is $36K in Japan (2025) and $5,066 in Viet Nam (2025).

Figures from 2024 are UN medium-variant projections.

Key figures (2066)

JapanViet Nam
Population93.4 million106.7 million
Aged 0–1410.8%14.6%
Aged 15–6452.6%60.4%
Aged 65+36.6%24.9%
Median age54.3 yrs45.9 yrs
Old-age dependency69.641.3
Total fertility rate1.401.72
Life expectancy90.4 yrs81.4 yrs
Population growth-0.81%-0.31%
Net migration (per year)+103,147-32,376
GDP$4.44T (2025)$515B (2025)
GDP per person$36K (2025)$5,066 (2025)
Unemployment2.5% (2025)1.5% (2025)

Economic figures are the latest year published for each country.

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